Microsoft Excel for Windows operating system is able to open Microsoft Access 2007/2010 database file (.accdb file extension) and save it as OpenDocument spreadsheet file (.ods file extension).
The Mac version of Microsoft Excel is not able to open .accdb files, but you can use other apps like ACCDB MDB Explorer to export ACCDB file to XLS, or XLSX Excel file, open in Excel, or OpenOffice and save it as a ODS file.